Internal energy is the sum of the kinetic and potential energy of the particles within a system
as the temperature of the gas increases,:
- av. particle speed increases
- max. particle speed increases
- the distribution curve becomes more spread out.
energy is constantly transferred between particles in collisions, but the total energy of the system dosen't change. > the average speed of the particles stays the same provided the temperature does.
mean square speed: represents the squared speed of a typical particle.
average Ek is proportional to absolute temperature --> internal energy must also be dependent on absolute temperature.
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